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Industry Article: HP/HT Downhole Gauge

The Schlumberger Signature quartz gauges offer precise, reliable pressure measurements in the most-extreme environments. By use of the latest 100%-ceramic multichip components bonded onto a single substrate, the gauges can withstand pressures up to 30,000 psi at temperatures of 410°F, while delivering high-resolution pressure measurements at recording-rate intervals as short as 0.1 seconds. The new long-life battery and single substrate-multichip module with high-capacity memory combine to ensure service life of up to 1 year.